After PIX upgrade from 6.3 to 7.2(2) VPN doesn?t work

Unanswered Question
Feb 21st, 2007

Hi There,

I have configured site-to-site VPN between PIX and router 871. After upgrade to version 7 , I am not able to access the remote network. I am using ver 7.2(2) in the pix and IOS ver 12.4(6)T2 in the router. The ACLs for no nat and encryption are :

access-list encryp permit ip

access-list encryp permit ip

access-list nonat permit ip

access-list nonat permit ip

Is possible that the pix OS ver 7 do not support this ACLs type (IP class B with mask /12 or IP class C with mask /17 ??


I have this problem too.
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daviddtran Wed, 02/21/2007 - 06:08

Hi c-quinteros,

Whoever designed the Pix firewall should be

shot. It's so F! stupid. But enough of my


I ran into the same problem you have before

when upgrading from 6.3(5) to 7.2(2). You

need to do this for it to work:

tunnel-group DefaultRAGroup ipsec-attributes

isakmp ikev1-user-authentication (outside) none

keep in mind that these are "hidden" command.


for version 7.1(2):

tunnel-group DefaultRAGroup general-attributes

authentication-server-group (outside) none

Good luck.


CCIE Security


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